Answer: i'm pretty sure the answer is B sorry if i'm not correct.
Step-by-step explanation:
(i) The product of the two expressions is equal to the product of their factors. (ii) The product of the two expressions is equal to the product of their H.C.F. and L.C.M. 2.
x equals 25% of the cost.
.25 equals 25%
Therefore x=12
The awnser is $12
He has done 70 push ups because by the 15th he has done 35 push ups add 15 more days and u get 70 .